and both playtest and open the actual game, they both start with the camera locked behind the player head until you zoom in and it locks the camera in first person. Like this:
I have not found the same issue. Just tried it in studio using the same steps you did:
Tried zooming out afterwards and was not an option, and have no scripts controlling the camera whatsoever. Tried it again as saw the CameraMaxZoomDistance was set to one so made it a bigger value, and just to confirm its still works fine for me.